| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.55 | 0.60 | -0.05 |
| Feb | 0.79 | 0.78 | 0.01 |
| Mar | 1.44 | 1.43 | 0.01 |
| Apr | 2.90 | 2.97 | -0.07 |
| May | 3.79 | 3.74 | 0.05 |
| Jun | 4.52 | 4.36 | 0.16 |
| Jul | 3.33 | 3.30 | 0.03 |
| Aug | 3.38 | 3.34 | 0.04 |
| Sep | 2.93 | 2.84 | 0.09 |
| Oct | 2.26 | 2.28 | -0.02 |
| Nov | 1.18 | 1.21 | -0.03 |
| Dec | 0.82 | 0.86 | -0.04 |
27.89 | 27.71 | 0.18 |